Question

Determine the energy of a photon whose frequency is 5.87 × 1017 Hz.
Answer in units of J.

Answer 1

Energy of a photon is calculated by the formula:

$E=h\nu$ , where $h=6.63*10^{-34}$ J*s;

$E=6.63*10^{-34}*5.87*10^{17}=3.892*10^{-16}$ J.

Answer: 3.892*10^-16 J.